def __init__(self, path):
root_dir = os.path.abspath(path)
if not os.path.exists(root_dir):
raise IOError('Path does not exist: %s' % path)
fs = HashFS(os.path.join(root_dir, 'hashfs'), depth=3,
width=2, algorithm='md5')
# Setup Serialisation for non list/dict objects
serialization_store = SerializationMiddleware()
serialization_store.register_serializer(DateTimeSerializer(),
'TinyDate')
serialization_store.register_serializer(FileSerializer(fs),
'TinyFile')
if opt.has_numpy:
serialization_store.register_serializer(NdArraySerializer(),
'TinyArray')
if opt.has_pandas:
serialization_store.register_serializer(DataFrameSerializer(),
'TinyDataFrame')
serialization_store.register_serializer(SeriesSerializer(),
'TinySeries')
db = TinyDB(os.path.join(root_dir, 'metadata.json'),
storage=serialization_store)
self.db = db
self.runs = db.table('runs')
self.fs = fs
def create(path='./runs_db', overwrite=None):
root_dir = os.path.abspath(path)
if not os.path.exists(root_dir):
os.makedirs(root_dir)
fs = HashFS(os.path.join(root_dir, 'hashfs'), depth=3,
width=2, algorithm='md5')
# Setup Serialisation object for non list/dict objects
serialization_store = SerializationMiddleware()
serialization_store.register_serializer(DateTimeSerializer(),
'TinyDate')
serialization_store.register_serializer(FileSerializer(fs),
'TinyFile')
if opt.has_numpy:
serialization_store.register_serializer(NdArraySerializer(),
'TinyArray')
if opt.has_pandas:
serialization_store.register_serializer(DataFrameSerializer(),
'TinyDataFrame')
serialization_store.register_serializer(SeriesSerializer(),
'TinySeries')
db = TinyDB(os.path.join(root_dir, 'metadata.json'),
storage=serialization_store)
return TinyDbObserver(db, fs, overwrite=overwrite, root=root_dir)
def test_tinydb_observer_equality(tmpdir, tinydb_obs):
db = TinyDB(os.path.join(tmpdir.strpath, 'metadata.json'))
fs = HashFS(os.path.join(tmpdir.strpath, 'hashfs'), depth=3,
width=2, algorithm='md5')
m = TinyDbObserver(db, fs)
assert tinydb_obs == m
assert not tinydb_obs != m
assert not tinydb_obs == 'foo'
assert tinydb_obs != 'foo'
def test_tinydb_observer_equality(tmpdir, tinydb_obs):
db = TinyDB(os.path.join(tmpdir.strpath, "metadata.json"))
fs = HashFS(
os.path.join(tmpdir.strpath, "hashfs"), depth=3, width=2, algorithm="md5"
)
m = TinyDbObserver.create_from(db, fs)
assert tinydb_obs == m
assert not tinydb_obs != m
assert not tinydb_obs == "foo"
assert tinydb_obs != "foo"
def get_db_file_manager(root_dir) -> Tuple[TinyDB, HashFS]:
root_dir = Path(root_dir)
fs = HashFS(root_dir / "hashfs", depth=3, width=2, algorithm="md5")
# Setup Serialisation object for non list/dict objects
serialization_store = SerializationMiddleware()
serialization_store.register_serializer(DateTimeSerializer(), "TinyDate")
serialization_store.register_serializer(FileSerializer(fs), "TinyFile")
if opt.has_numpy:
serialization_store.register_serializer(NdArraySerializer(),
"TinyArray")
if opt.has_pandas:
serialization_store.register_serializer(DataFrameSerializer(),
"TinyDataFrame")
serialization_store.register_serializer(SeriesSerializer(),
"TinySeries")
db = TinyDB(os.path.join(root_dir, "metadata.json"),
storage=serialization_store)
return db, fs
def get_db_file_manager(root_dir):
fs = HashFS(os.path.join(root_dir, 'hashfs'),
depth=3,
width=2,
algorithm='md5')
# Setup Serialisation object for non list/dict objects
serialization_store = SerializationMiddleware()
serialization_store.register_serializer(DateTimeSerializer(), 'TinyDate')
serialization_store.register_serializer(FileSerializer(fs), 'TinyFile')
if opt.has_numpy:
serialization_store.register_serializer(NdArraySerializer(),
'TinyArray')
if opt.has_pandas:
serialization_store.register_serializer(DataFrameSerializer(),
'TinyDataFrame')
serialization_store.register_serializer(SeriesSerializer(),
'TinySeries')
db = TinyDB(os.path.join(root_dir, 'metadata.json'),
storage=serialization_store)
return db, fs
"long",
"datetime.datetime",
"list",
"dict",
"ObjectId",
"IS()"
)
TYPES_LIST = ['GSystemType', 'RelationType', 'AttributeType', 'MetaType', 'ProcessType']
my_doc_requirement = u'storing_orignal_doc'
reduced_doc_requirement = u'storing_reduced_doc'
to_reduce_doc_requirement = u'storing_to_be_reduced_doc'
indexed_word_list_requirement = u'storing_indexed_words'
# CUSTOM DATA-TYPE DEFINITIONS
#STATUS_CHOICES_TU = IS(u'DRAFT', u'HIDDEN', u'PUBLISHED', u'DELETED', u'MODERATION')
#STATUS_CHOICES = tuple(str(qtc) for qtc in STATUS_CHOICES_TU)
#QUIZ_TYPE_CHOICES_TU = IS(u'Short-Response', u'Single-Choice', u'Multiple-Choice')
#QUIZ_TYPE_CHOICES = tuple(str(qtc) for qtc in QUIZ_TYPE_CHOICES_TU)
# Designate a root folder for HashFS. If the folder does not exists already, it will be created.
# Set the `depth` to the number of subfolders the file's hash should be split when saving.
# Set the `width` to the desired width of each subfolder.
gfs = HashFS(MEDIA_ROOT, depth=3, width=1, algorithm='sha256')
# gfs: gstudio file system
# DATABASE Variables
db = get_db()
def setup(root_path):
"""Module initialization."""
fs = HashFS(root_path, depth=3, width=2, algorithm='sha256')
global put_file
put_file = partial(getattr(put_file, 'func', put_file), fs)
def image_path(instance, filename):
basename, ext = os.path.splitext(filename)
fs = HashFS('photos', depth=4, width=2, algorithm='sha256')
stream = getattr(instance, 'image').chunks()
id = fs.computehash(stream)
return idpath(fs, id, extension=ext)